From: Wey-Yi Guy Date: Fri, 21 Aug 2009 20:34:25 +0000 (-0700) Subject: iwlwifi: fix unloading driver while scanning X-Git-Tag: firefly_0821_release~12983^2~275^2~67 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5bddf54962bf68002816df710348ba197d6391bb;p=firefly-linux-kernel-4.4.55.git iwlwifi: fix unloading driver while scanning If NetworkManager is busy scanning when user tries to unload the module, the driver can not be unloaded because HW still scanning. Make sure driver sends abort scan host command to uCode if it is in the middle of scanning during driver unload. Signed-off-by: Wey-Yi Guy Signed-off-by: Reinette Chatre Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 533b393e8cf6..00457bff1ed1 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -2155,7 +2155,7 @@ static void iwl_mac_stop(struct ieee80211_hw *hw) priv->is_open = 0; - if (iwl_is_ready_rf(priv)) { + if (iwl_is_ready_rf(priv) || test_bit(STATUS_SCAN_HW, &priv->status)) { /* stop mac, cancel any scan request and clear * RXON_FILTER_ASSOC_MSK BIT */ diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index c4c916df4a43..4f3a108fa990 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -796,7 +796,8 @@ void iwl_bg_abort_scan(struct work_struct *work) { struct iwl_priv *priv = container_of(work, struct iwl_priv, abort_scan); - if (!iwl_is_ready(priv)) + if (!test_bit(STATUS_READY, &priv->status) || + !test_bit(STATUS_GEO_CONFIGURED, &priv->status)) return; mutex_lock(&priv->mutex);